Additional Set Value At Plug Avf; External Connections At Plug Avd - Viessmann Vitoladens 300-C Installation Instructions Manual

Summary of electrical connections
Note
The plugs are in the control unit pack.

Additional set value at plug aVF

External connections at plug aVD

When connecting external switching contacts or components to the protective
low voltage of the control unit, observe the requirements of protection class III,
i.e. 8.0 mm air gap/creepage path or 2.0 mm insulation thickness towards 'live'
components.
(cont.)
The 0-10 V hook-up provides an addi-
tional set boiler water temperature:
≙ 10 °C
1 V–
≙ 100 °C
10 V–
0 - 1 V– evaluated as "no default".
Connection to terminals "2" and "3" in
plug aVF.
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